nvic_configuration_configuration什么意思_没有configuration选项(4)

EXTI_Init(&EXTI_InitStructure);

//将USART3的TXD和RXD重映射到PC10和pc11

//GPIO_PinRemapConfig(GPIO_PartialRemap_USART3,ENABLE);

}

//void EXTI_Configuration(void)

//{

// EXTI_InitTypeDef EXTI_InitStructure;

// EXTI_DeInit(); //将EXIT寄存器重设置为缺省值

// EXTI_InitStructure.EXTI_Line = EXTI_Line13;

// EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;

// EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;

// EXTI_InitStructure.EXTI_LineCmd = ENABLE;

// EXTI_Init(&EXTI_InitStructure);

//

// EXTI_ClearITPendingBit(EXTI_Line13);

//}

void NVIC_Configuration(void)

{

NVIC_InitTypeDef NVIC_InitStructure;

#ifdef VECT_TAB_RAM

NVIC_SetVectorTable(NVIC_VectTab_RAM,0X0);//向量表位于RAM区

#else

NVIC_SetVectorTable(NVIC_VectTab_FLASH,0X0);//向量表位于FLASH区

#endif

NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);

//

NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQChannel;

NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;

NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;

NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

NVIC_Init(&NVIC_InitStructure);

}

//void USART3_Configuration(void)

//{

// USART_InitTypeDefU3;

// U3.USART_BaudRate =9600;

// U3.USART_WordLength = USART_WordLength_8b;

// U3.USART_StopBits = USART_StopBits_1;

// U3.USART_Parity = USART_Parity_No;

// U3.USART_Mode = USART_Mode_Rx|USART_Mode_Tx;

// U3.USART_HardwareFlowControl = USART_HardwareFlowControl_None;

//

// USART_Init(USART3, &U3);

//

// USART_Cmd(USART3,ENABLE);

//}

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